Bluetooth Folding Keyboard Pc In the box - Matias Folding Keyboard, carrying sleeve, users manual Dimensions - Open 18 x 5 x 0.87 Closed - 10.08 x 5 x 1.38 Weight - 15.3 oz Bluetooth models require computers equipped with Bluetooth wireless technology and either Mac OS X 10.2 or later (for Macs), or Windows XP or Vista (for PCs).